Pith Number

pith:DCXO4UVW

pith:2025:DCXO4UVWEZA5KZFPMURFU4J4UR

not attested not anchored not stored refs pending

Decidability in First-Order Modal Logic with Non-Rigid Constants and Definite Descriptions

Alessandro Artale, Andrea Mazzullo, Christopher Hampson, Frank Wolter, Roman Kontchakov

arxiv:2509.08165 v1 · 2025-09-09 · cs.LO · math.LO

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCXO4UVWEZA5KZFPMURFU4J4UR}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Fusions of One-Variable First-Order Modal Logics

Receipt and verification

First computed	2026-07-05T12:08:24.137263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18aeee52b62641d564af65225a713ca47c6bd0b2c468fd5bdb89daa469257012

Aliases

arxiv: 2509.08165 · arxiv_version: 2509.08165v1 · doi: 10.48550/arxiv.2509.08165 · pith_short_12: DCXO4UVWEZA5 · pith_short_16: DCXO4UVWEZA5KZFP · pith_short_8: DCXO4UVW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/DCXO4UVWEZA5KZFPMURFU4J4UR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 18aeee52b62641d564af65225a713ca47c6bd0b2c468fd5bdb89daa469257012

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8444d1dce07675bb3f432e711502ccf2bda18bf6c5809cb975c777c2ccbf0f4",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-09-09T22:00:28Z",
    "title_canon_sha256": "5ee624b38da9ea9843b63bc2f7e4b52986cff884888ec898ce37863d372cc04f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08165",
    "kind": "arxiv",
    "version": 1
  }
}